Like the title says, this would be a good solution for a DIY fleece saddle or sit drag options. Basically LB with leg straps & center belay ring. Link below $160 +shipping new ( this one is unused)
Mutiny
With plenty of room for adjustment to account for winter clothing, removable leg straps for easy walking, lineman loops, and integrated molle, the KillDeer weighs in at a paltry ~15 oz.
dryadsaddles.com